sweetener
/ˈswiːtənə(r)/noun
1- a substance used to sweeten food or drink, especially one other than sugar.（尤指除糖以外的）甜料, 甜味剂。
1.1
- informal, chiefly Brit. an inducement, typically in the form of money or a concession〈非正式, 主英〉好处, 笼络物（多指钱或让步）：
a sweetener may persuade them to sell.
给点好处可能会说服他们出售。